on 8/29/01 10:37 PM, SKID Photography at [EMAIL PROTECTED] wrote: > > LAURIE SOLOMON wrote: > >> They might also use an Anti-Newton Rings powder on the >> glass between it and the subject being scanned. > > Sorry for my ignorance....What is 'Anti-Newton Rings powder'? > When you place two flat surfaces together, you get a form of banding known as Newton Rings that represent the different transference of light between the surfaces due to the pressure. Glass slides, and even enlarger glass has been coated for years with a transparent substance that prevents flat/flat contact, spacing the two flat surfaces just far enough apart to prevent the pressure banding. Jim Snyder
- filmscanners: Anti-Newton Rings powder SKID Photography
- Re: filmscanners: Anti-Newton Rings powder Maris V. Lidaka, Sr.
- Re: filmscanners: Anti-Newton Rings powder Jim Snyder
- Re: filmscanners: Anti-Newton Rings powder SKID Photography
- Re: filmscanners: Anti-Newton Rings powder Maris V. Lidaka, Sr.
- RE: filmscanners: Anti-Newton Rings powder LAURIE SOLOMON
- Re: filmscanners: Anti-Newton Rings powder Karl Schulmeisters
- Re: filmscanners: Anti-Newton Rings powder Winsor Crosby
- Re: filmscanners: Anti-Newton Rings powder Jim Snyder
- Re: filmscanners: Anti-Newton Rings powder Tony Sleep
- Re: filmscanners: Anti-Newton Rings powder Karl Schulmeisters
- Re: filmscanners: Anti-Newton Rings powder Tony Sleep
- Re: filmscanners: Anti-Newton Rings powder Arthur Entlich